EP0677480A1 - Dispositif compact de traction pour câbles - Google Patents

Dispositif compact de traction pour câbles Download PDF

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Publication number
EP0677480A1
EP0677480A1 EP95200739A EP95200739A EP0677480A1 EP 0677480 A1 EP0677480 A1 EP 0677480A1 EP 95200739 A EP95200739 A EP 95200739A EP 95200739 A EP95200739 A EP 95200739A EP 0677480 A1 EP0677480 A1 EP 0677480A1
Authority
EP
European Patent Office
Prior art keywords
rope
traction sheave
frame
cable
pressure rollers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP95200739A
Other languages
German (de)
English (en)
Other versions
EP0677480B1 (fr
Inventor
Giovanni Guntero Czaloun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HABEGGER MASCHINENFABRIK AG THUN
Original Assignee
Gebr Roeck oHG - SNC D Simon Roeck
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gebr Roeck oHG - SNC D Simon Roeck filed Critical Gebr Roeck oHG - SNC D Simon Roeck
Publication of EP0677480A1 publication Critical patent/EP0677480A1/fr
Application granted granted Critical
Publication of EP0677480B1 publication Critical patent/EP0677480B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
    • B66D1/74—Capstans
    • B66D1/7415—Friction drives, e.g. pulleys, having a cable winding angle of less than 360 degrees

Definitions

  • the present invention relates to a compact continuous cable pulling device according to the preamble of claim 1.
  • Portable wire rope hoists should be as compact and light as possible, and there should be no limitation on the rope length. These requirements are essentially met by continuous winches, in which the rope is conveyed further by static friction to a drive element and not by winding on a drum.
  • the most common portable cable pulling devices use an alternating clamp pair system that essentially mimics the movements of a person pulling a rope directly with his hands.
  • the simplest pre-tensioning system which can only be used locally, is to apply a certain external force in the non-pulling rope strand, e.g. to produce in the known capstan drives.
  • Another system for ensuring static friction is to press the non-pulling rope strand against the circumference of the traction sheave, for example by pressure rollers. This creates static friction in the pressed area between the rope and traction sheave, which ensures the pre-tension in the non-pulling rope strand when the device is in operation.
  • the condition that guarantees security against slipping is that the static friction generated by the pressure roller pressure is greater than the preload, which is determined according to the Eytelwein law.
  • the pressure exerted on the rope by the pressure rollers can e.g. can be kept constant via spring force or can be automatically adapted to the cable pull.
  • the basic idea of this device sees a traction sheave before, which is slidably mounted on longitudinal guides in a fixed frame.
  • the traction sheave is adjusted together with the drive unit in the longitudinal direction under the action of the cable pull until it is pressed against the counter rollers fixed in the frame.
  • the present invention therefore aims to implement a cable pulling device which provides for the use of pressure rollers which press with a force corresponding to the cable pull against the circumference of the traction sheave without having to resort to a longitudinal adjustment of the traction sheave relative to the fixed frame.
  • this is achieved in that the traction sheave is accommodated in an adjustable manner in the frame and in that a tie rod which is mounted in a longitudinally displaceable manner is provided which carries the pressure rollers at one end and transmits the force exerted on the device in the anchoring point through the other end.
  • the firm mounting of the traction sheave in the frame means a considerable simplification of the construction with a consequent reduction in weight, which makes this construction particularly suitable for portable cable pulling devices.
  • a traction sheave 1 is received in a frame 6 via a ball or roller bearing 7.
  • the rope 2 running tangentially from the traction sheave 1 tends to move the frame 6 in the direction of the cable pull T.
  • the forces acting on the towing device from the outside are indicated in FIG. 1 by arrows in bold. These are the cable pull T and the reaction (-) T effective at the anchor point.
  • the drive is preferably carried out via a drive motor 8 which is fixed to the frame 6.
  • the drive can be of any type, for example electrical, hydraulic or pneumatic.
  • the device can also be operated by a suitable manual drive.
  • a reduction gear between drive 8 and drive pulley 1 will be necessary.
  • this reduction gear can be installed directly in the traction sheave.
  • the example shown in the drawing represents this solution, i.e. a planetary gear built into the traction sheave.
  • the reduction gear consists of a sun gear coupled to the drive 8, a few planet gears 10 and an internally toothed ring gear 12 which is worked out from the drive pulley 1.
  • the planet carrier is identical to the frame 6, and therefore firmly connected to the axes of the planet gears 11, while the internally toothed ring gear 12 rotates.
  • the rope groove 13 can have a wedge-shaped cross section receive.
  • Another integrating component of the cable pulling device according to the invention is a spring which presses the pressure rollers 4 against the circumference of the traction sheave via the tie rod 3.
  • the force exerted by the spring 14 can be very small compared to that exerted by the highest cable tensile force T. It is used to ensure that the rope is carried at the beginning when the cable pull T is still zero.
  • the cable pulling device according to the invention also provides a cable guide 15 which ensures the correct position of the cable in relation to the cable groove 13 when it runs up or down in the starting position.
  • This rope guide must be able to be opened, i.e. be divided into two. This division into two is not shown in the drawing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Electric Cable Installation (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Flexible Shafts (AREA)
EP95200739A 1994-03-24 1995-03-24 Dispositif compact de traction pour câbles Expired - Lifetime EP0677480B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBZ940017 1994-03-24
IT94BZ000017A IT1281929B1 (it) 1994-03-24 1994-03-24 Apparecchio di trazione compatto a fune passante con trascinamento continuo della fune.

Publications (2)

Publication Number Publication Date
EP0677480A1 true EP0677480A1 (fr) 1995-10-18
EP0677480B1 EP0677480B1 (fr) 2001-01-24

Family

ID=11346645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95200739A Expired - Lifetime EP0677480B1 (fr) 1994-03-24 1995-03-24 Dispositif compact de traction pour câbles

Country Status (4)

Country Link
EP (1) EP0677480B1 (fr)
AT (1) ATE198864T1 (fr)
DE (1) DE59508985D1 (fr)
IT (1) IT1281929B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0863105A2 (fr) * 1997-03-04 1998-09-09 Lewmar Marine Limited Treuil
US20230012442A1 (en) * 2021-07-08 2023-01-12 Skylotec Gmbh Rope Grab Device For A Portable Power Driven System

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8784967B2 (en) 2009-10-09 2014-07-22 Volm Companies, Inc. Open mesh material and bags made therefrom
DE102017101656A1 (de) 2017-01-27 2018-08-02 Technische Universität Dresden Seildurchlaufwinde

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2233269A1 (en) * 1973-06-15 1975-01-10 Lacour Jean Lifting device with motor-driven pulley - pivots to press free end of rope between pulley and auxiliary roller
GB2002711A (en) * 1977-08-17 1979-02-28 Nippon Biso Kk Rope traction apparatus
EP0050073A1 (fr) * 1980-10-09 1982-04-21 Tractel S.A. Treuil à moteur électrique avec poulie à gorge de coincement pour l'actionnement d'un câble de traction ou de levage à brin libre
EP0363800A1 (fr) * 1988-10-13 1990-04-18 Power Climber Inc. Appareil de levage
EP0401099A1 (fr) * 1989-05-29 1990-12-05 Tractel S.A. Appareil d'entraînement d'un lien porteur d'une charge avec dispositif coordonné de déflection de la charge et guidage du lien
DE4330162A1 (de) * 1992-09-10 1994-03-17 Giovanni Guntero Czaloun Seilzuggerät mit Treibscheibe und automatischer Seilanpressung
EP0638511A1 (fr) * 1993-07-16 1995-02-15 Nihon Biso Co., Ltd. Dispositif de traction pour câble

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2233269A1 (en) * 1973-06-15 1975-01-10 Lacour Jean Lifting device with motor-driven pulley - pivots to press free end of rope between pulley and auxiliary roller
GB2002711A (en) * 1977-08-17 1979-02-28 Nippon Biso Kk Rope traction apparatus
EP0050073A1 (fr) * 1980-10-09 1982-04-21 Tractel S.A. Treuil à moteur électrique avec poulie à gorge de coincement pour l'actionnement d'un câble de traction ou de levage à brin libre
EP0363800A1 (fr) * 1988-10-13 1990-04-18 Power Climber Inc. Appareil de levage
EP0401099A1 (fr) * 1989-05-29 1990-12-05 Tractel S.A. Appareil d'entraînement d'un lien porteur d'une charge avec dispositif coordonné de déflection de la charge et guidage du lien
DE4330162A1 (de) * 1992-09-10 1994-03-17 Giovanni Guntero Czaloun Seilzuggerät mit Treibscheibe und automatischer Seilanpressung
EP0638511A1 (fr) * 1993-07-16 1995-02-15 Nihon Biso Co., Ltd. Dispositif de traction pour câble

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0863105A2 (fr) * 1997-03-04 1998-09-09 Lewmar Marine Limited Treuil
EP0863105A3 (fr) * 1997-03-04 1999-05-12 Lewmar Marine Limited Treuil
US6098962A (en) * 1997-03-04 2000-08-08 Lewmar Mrine Limited Winch
US20230012442A1 (en) * 2021-07-08 2023-01-12 Skylotec Gmbh Rope Grab Device For A Portable Power Driven System

Also Published As

Publication number Publication date
IT1281929B1 (it) 1998-03-03
DE59508985D1 (de) 2001-03-01
ITBZ940017A1 (it) 1995-09-24
EP0677480B1 (fr) 2001-01-24
ATE198864T1 (de) 2001-02-15
ITBZ940017A0 (it) 1994-03-24

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